Re: Anxiety SSDI??
Yes, people have been granted SSDI for anxiety, but you have to have a doctor backing you up. In other words, you need medical documentation that you have an anxiety order - whether it be general anxiety disorder, panic disorder with or without agoraphobia, and so on.
I'm assuming that you filed based on your back injury (as you said you didn't stress the anxiety in your filing). Your anxiety will certainly help bolster your case (i.e. lack of function and inability to work any job). You will need to have this formally documented by a doctor, however....you can't just mention it in one of the reports you filled out and expect it to hold weight with those who review your case and make the decision. I would go to a doctor regarding the anxiety and get a history established in case your initial claim is refused (most are, unfortunately).
Just to note, I am currently in the process of filing based on panic disorder with agoraphobia, social anxiety disorder and clinical depression. It's an uphill battle, but you have to stick with it.
Best of luck!